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Material Type: Exam; Class: Elementary Algebra; Subject: Developmental Math; University: Lake City Community College; Term: Unknown 1989;
Typology: Exams
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2
2[x 9(x 1)]
A. 20x 18
B. 20x 2
C. 20x 2
D. 20x 18
3w 5w 8
2
2 3x 5 5x 11
A. x 21
B. x 16
x
D. x 1
number. Choose the equation that could be used to find this number, x.
2 4x 7 15 x
B. 4(x 7) x 15
2
C. 4x 7 x 15
2
D. 11x x 15
2
rectangle is 20 feet. Find the length.
A. 4 feet
B. 6 feet
C. 9 feet
D. 11 feet
A car can travel 189 miles on 9 gallons of gasoline. How far can the car travel on
13 gallons?
x
189
x
9
x
13
x
2 3 2 (a b )
4 9 ab
2 9 ab
4 6 ab
4 5 ab
4 4
3 6
x y
x y
2 xy
x
y
2
2
x
y
7 2 x y
2 0 1 3 (abc )
5 3 2 abc
6 3
c
ab
5
c
a
6
c
a
(5x 9)(x 6)
A. 5x 39x^54
2
B. 5x 21x 3
2
C. 5x 3x 15
2
D. 5x 21x 54
2
12a b 3ab
2 2
A. 3ab(4ab)
B. 3ab(4ab 1)
C. 3ab(4a b ab)
2 2
D. ab(12ab 3)
4x 9
2
A. (2x 3)(2x 3)
2 2
B. (2x 3)(2x 3)
C. (2x 1)(2x 9)
D. (2x 3)((2x 3)
ax a bx b
A. (x 1)(a b)
B. (x 1)(a b)
C. (x 1)(a b)
D. (x 1)(a b)
5x 9x 2
2
A. (5x 2)
B. (5x 1)
C. (x 2)
D. (x 1)
1 x
x 4x 3
2
A. x^3
B. x 1
C. x 3
D. x 3
y 3x 2
x-axis
y-axis
x-axis
y-axis
x-axis
y-axis
x-axis
y-axis
2x 3y 6